Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Sulphated Ash
max. 0.05%
Chloride (CI)
max. 0.005%
Sulphate (SO4)
max. 0.005%
Iron (Fe)
max. 0.0002%
Heavy Metals (Pb)
max. 0.0001%
Copper (Cu)
max. 0.00005%
Arsenic (As)
max. 0.0001%
Nitrogen Compounds (N)
max. 0.02%
Acidity
max. 0.25ml N%
Specific Rotation [α] (Anhydrous basis)
+54.4° to +55.9° (C = 10, water)
Specific rotation [α] (As is basis)
+52° to +52.8° (C = 10, water)
Water (KF)
4.8 - 5.4%
Absorbance (A) of 1% aq. solution in a 1cm cell v/s H2O
@210-220nm
max. 0.25
@270-300nm
max. 0.07
